mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Maxim/TARGET_MAX32620C/mxc/mxc_sys.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
186:707f6e361f3e 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 186:707f6e361f3e 1 /*******************************************************************************
Anna Bridge 186:707f6e361f3e 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Anna Bridge 186:707f6e361f3e 3 *
Anna Bridge 186:707f6e361f3e 4 * Permission is hereby granted, free of charge, to any person obtaining a
Anna Bridge 186:707f6e361f3e 5 * copy of this software and associated documentation files (the "Software"),
Anna Bridge 186:707f6e361f3e 6 * to deal in the Software without restriction, including without limitation
Anna Bridge 186:707f6e361f3e 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Anna Bridge 186:707f6e361f3e 8 * and/or sell copies of the Software, and to permit persons to whom the
Anna Bridge 186:707f6e361f3e 9 * Software is furnished to do so, subject to the following conditions:
Anna Bridge 186:707f6e361f3e 10 *
Anna Bridge 186:707f6e361f3e 11 * The above copyright notice and this permission notice shall be included
Anna Bridge 186:707f6e361f3e 12 * in all copies or substantial portions of the Software.
Anna Bridge 186:707f6e361f3e 13 *
Anna Bridge 186:707f6e361f3e 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Anna Bridge 186:707f6e361f3e 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Anna Bridge 186:707f6e361f3e 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Anna Bridge 186:707f6e361f3e 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Anna Bridge 186:707f6e361f3e 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Anna Bridge 186:707f6e361f3e 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Anna Bridge 186:707f6e361f3e 20 * OTHER DEALINGS IN THE SOFTWARE.
Anna Bridge 186:707f6e361f3e 21 *
Anna Bridge 186:707f6e361f3e 22 * Except as contained in this notice, the name of Maxim Integrated
Anna Bridge 186:707f6e361f3e 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Anna Bridge 186:707f6e361f3e 24 * Products, Inc. Branding Policy.
Anna Bridge 186:707f6e361f3e 25 *
Anna Bridge 186:707f6e361f3e 26 * The mere transfer of this software does not imply any licenses
Anna Bridge 186:707f6e361f3e 27 * of trade secrets, proprietary technology, copyrights, patents,
Anna Bridge 186:707f6e361f3e 28 * trademarks, maskwork rights, or any other form of intellectual
Anna Bridge 186:707f6e361f3e 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Anna Bridge 186:707f6e361f3e 30 * ownership rights.
Anna Bridge 186:707f6e361f3e 31 *
Anna Bridge 186:707f6e361f3e 32 * $Date: 2016-06-17 13:07:24 -0500 (Fri, 17 Jun 2016) $
Anna Bridge 186:707f6e361f3e 33 * $Revision: 23369 $
Anna Bridge 186:707f6e361f3e 34 *
Anna Bridge 186:707f6e361f3e 35 ******************************************************************************/
Anna Bridge 186:707f6e361f3e 36
Anna Bridge 186:707f6e361f3e 37 #include <stddef.h>
Anna Bridge 186:707f6e361f3e 38 #include "mxc_config.h"
Anna Bridge 186:707f6e361f3e 39 #include "mxc_assert.h"
Anna Bridge 186:707f6e361f3e 40 #include "mxc_sys.h"
Anna Bridge 186:707f6e361f3e 41 #include "ioman.h"
Anna Bridge 186:707f6e361f3e 42 #include "clkman.h"
Anna Bridge 186:707f6e361f3e 43 #include "pwrseq_regs.h"
Anna Bridge 186:707f6e361f3e 44 #include "pwrman_regs.h"
Anna Bridge 186:707f6e361f3e 45 #include "spix_regs.h"
Anna Bridge 186:707f6e361f3e 46 #include "trim_regs.h"
Anna Bridge 186:707f6e361f3e 47
Anna Bridge 186:707f6e361f3e 48 /***** Definitions *****/
Anna Bridge 186:707f6e361f3e 49 #define SYS_RTC_CLK 32768UL
Anna Bridge 186:707f6e361f3e 50
Anna Bridge 186:707f6e361f3e 51 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 52 uint32_t SYS_GetFreq(uint32_t clk_scale)
Anna Bridge 186:707f6e361f3e 53 {
Anna Bridge 186:707f6e361f3e 54 uint32_t freq;
Anna Bridge 186:707f6e361f3e 55 unsigned int clkdiv;
Anna Bridge 186:707f6e361f3e 56
Anna Bridge 186:707f6e361f3e 57 if (clk_scale == MXC_V_CLKMAN_CLK_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 58 freq = 0;
Anna Bridge 186:707f6e361f3e 59 } else {
Anna Bridge 186:707f6e361f3e 60 clkdiv = 1 << (clk_scale - 1);
Anna Bridge 186:707f6e361f3e 61 freq = SystemCoreClock / clkdiv;
Anna Bridge 186:707f6e361f3e 62 }
Anna Bridge 186:707f6e361f3e 63
Anna Bridge 186:707f6e361f3e 64 return freq;
Anna Bridge 186:707f6e361f3e 65 }
Anna Bridge 186:707f6e361f3e 66
Anna Bridge 186:707f6e361f3e 67 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 68 uint32_t SYS_CPU_GetFreq(void)
Anna Bridge 186:707f6e361f3e 69 {
Anna Bridge 186:707f6e361f3e 70 return SYS_GetFreq(CLKMAN_GetClkScale(CLKMAN_CLK_CPU));
Anna Bridge 186:707f6e361f3e 71 }
Anna Bridge 186:707f6e361f3e 72
Anna Bridge 186:707f6e361f3e 73 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 74 int SYS_ADC_Init(void)
Anna Bridge 186:707f6e361f3e 75 {
Anna Bridge 186:707f6e361f3e 76 /* Power up the ADC AFE, enable clocks */
Anna Bridge 186:707f6e361f3e 77 MXC_PWRMAN->pwr_rst_ctrl |= MXC_F_PWRMAN_PWR_RST_CTRL_AFE_POWERED;
Anna Bridge 186:707f6e361f3e 78 MXC_CLKMAN->clk_ctrl |= MXC_F_CLKMAN_CLK_CTRL_ADC_CLOCK_ENABLE;
Anna Bridge 186:707f6e361f3e 79
Anna Bridge 186:707f6e361f3e 80 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 81 }
Anna Bridge 186:707f6e361f3e 82
Anna Bridge 186:707f6e361f3e 83 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 84 int SYS_AES_Init(void)
Anna Bridge 186:707f6e361f3e 85 {
Anna Bridge 186:707f6e361f3e 86 /* Set up clocks for AES block */
Anna Bridge 186:707f6e361f3e 87 /* Enable crypto ring oscillator, which is used by all TPU components (AES, uMAA, etc.) */
Anna Bridge 186:707f6e361f3e 88 CLKMAN_CryptoClockEnable(1);
Anna Bridge 186:707f6e361f3e 89
Anna Bridge 186:707f6e361f3e 90 /* Change prescaler to /1 */
Anna Bridge 186:707f6e361f3e 91 CLKMAN_SetClkScale(CLKMAN_CRYPTO_CLK_AES, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 92
Anna Bridge 186:707f6e361f3e 93 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 94 }
Anna Bridge 186:707f6e361f3e 95
Anna Bridge 186:707f6e361f3e 96 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 97 int SYS_GPIO_Init(void)
Anna Bridge 186:707f6e361f3e 98 {
Anna Bridge 186:707f6e361f3e 99 if (CLKMAN_GetClkScale(CLKMAN_CLK_GPIO) == CLKMAN_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 100 CLKMAN_SetClkScale(CLKMAN_CLK_GPIO, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 101 }
Anna Bridge 186:707f6e361f3e 102
Anna Bridge 186:707f6e361f3e 103 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 104 }
Anna Bridge 186:707f6e361f3e 105
Anna Bridge 186:707f6e361f3e 106 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 107 int SYS_UART_Init(mxc_uart_regs_t *uart, const uart_cfg_t *uart_cfg, const sys_cfg_uart_t *sys_cfg)
Anna Bridge 186:707f6e361f3e 108 {
Anna Bridge 186:707f6e361f3e 109 static int subsequent_call = 0;
Anna Bridge 186:707f6e361f3e 110 int err, idx;
Anna Bridge 186:707f6e361f3e 111 clkman_scale_t clk_scale;
Anna Bridge 186:707f6e361f3e 112 uint32_t min_baud;
Anna Bridge 186:707f6e361f3e 113
Anna Bridge 186:707f6e361f3e 114 if(sys_cfg == NULL)
Anna Bridge 186:707f6e361f3e 115 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 116
Anna Bridge 186:707f6e361f3e 117 if (sys_cfg->clk_scale != CLKMAN_SCALE_AUTO) {
Anna Bridge 186:707f6e361f3e 118 CLKMAN_SetClkScale(CLKMAN_CLK_UART, sys_cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 119 } else if (!subsequent_call) {
Anna Bridge 186:707f6e361f3e 120 /* This clock divider is shared amongst all UARTs. Only change it if it
Anna Bridge 186:707f6e361f3e 121 * hasn't already been configured. UART_Init() will check for validity
Anna Bridge 186:707f6e361f3e 122 * for this baudrate.
Anna Bridge 186:707f6e361f3e 123 */
Anna Bridge 186:707f6e361f3e 124 subsequent_call = 1;
Anna Bridge 186:707f6e361f3e 125
Anna Bridge 186:707f6e361f3e 126 /* Setup the clock divider for the given baud rate */
Anna Bridge 186:707f6e361f3e 127 clk_scale = CLKMAN_SCALE_DISABLED;
Anna Bridge 186:707f6e361f3e 128 do {
Anna Bridge 186:707f6e361f3e 129 min_baud = ((SystemCoreClock >> clk_scale++) / (16 * (MXC_F_UART_BAUD_BAUD_DIVISOR >> MXC_F_UART_BAUD_BAUD_DIVISOR_POS)));
Anna Bridge 186:707f6e361f3e 130 } while (uart_cfg->baud < min_baud && clk_scale < CLKMAN_SCALE_AUTO);
Anna Bridge 186:707f6e361f3e 131
Anna Bridge 186:707f6e361f3e 132 /* check if baud rate cannot be reached */
Anna Bridge 186:707f6e361f3e 133 if(uart_cfg->baud < min_baud)
Anna Bridge 186:707f6e361f3e 134 return E_BAD_STATE;
Anna Bridge 186:707f6e361f3e 135
Anna Bridge 186:707f6e361f3e 136 CLKMAN_SetClkScale(CLKMAN_CLK_UART, clk_scale);
Anna Bridge 186:707f6e361f3e 137 }
Anna Bridge 186:707f6e361f3e 138
Anna Bridge 186:707f6e361f3e 139 if ((err = IOMAN_Config(&sys_cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 140 return err;
Anna Bridge 186:707f6e361f3e 141 }
Anna Bridge 186:707f6e361f3e 142
Anna Bridge 186:707f6e361f3e 143 /* Reset the peripheral */
Anna Bridge 186:707f6e361f3e 144 idx = MXC_UART_GET_IDX(uart);
Anna Bridge 186:707f6e361f3e 145 MXC_PWRMAN->peripheral_reset |= (MXC_F_PWRMAN_PERIPHERAL_RESET_UART0 << idx);
Anna Bridge 186:707f6e361f3e 146 MXC_PWRMAN->peripheral_reset &= ~((MXC_F_PWRMAN_PERIPHERAL_RESET_UART0 << idx));
Anna Bridge 186:707f6e361f3e 147
Anna Bridge 186:707f6e361f3e 148 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 149 }
Anna Bridge 186:707f6e361f3e 150
Anna Bridge 186:707f6e361f3e 151 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 152 int SYS_UART_Shutdown(mxc_uart_regs_t *uart)
Anna Bridge 186:707f6e361f3e 153 {
Anna Bridge 186:707f6e361f3e 154 int err;
Anna Bridge 186:707f6e361f3e 155 int idx = MXC_UART_GET_IDX(uart);
Anna Bridge 186:707f6e361f3e 156 ioman_cfg_t io_cfg = (ioman_cfg_t)IOMAN_UART(idx, 0, 0, 0, 0, 0, 0);
Anna Bridge 186:707f6e361f3e 157
Anna Bridge 186:707f6e361f3e 158 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 159 return err;
Anna Bridge 186:707f6e361f3e 160 }
Anna Bridge 186:707f6e361f3e 161
Anna Bridge 186:707f6e361f3e 162 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 163 }
Anna Bridge 186:707f6e361f3e 164
Anna Bridge 186:707f6e361f3e 165 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 166 uint32_t SYS_UART_GetFreq(mxc_uart_regs_t *uart)
Anna Bridge 186:707f6e361f3e 167 {
Anna Bridge 186:707f6e361f3e 168 return SYS_GetFreq(CLKMAN_GetClkScale(CLKMAN_CLK_UART));
Anna Bridge 186:707f6e361f3e 169 }
Anna Bridge 186:707f6e361f3e 170
Anna Bridge 186:707f6e361f3e 171 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 172 int SYS_I2CM_Init(mxc_i2cm_regs_t *i2cm, const sys_cfg_i2cm_t *cfg)
Anna Bridge 186:707f6e361f3e 173 {
Anna Bridge 186:707f6e361f3e 174 int err;
Anna Bridge 186:707f6e361f3e 175
Anna Bridge 186:707f6e361f3e 176 if(cfg == NULL)
Anna Bridge 186:707f6e361f3e 177 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 178
Anna Bridge 186:707f6e361f3e 179 CLKMAN_SetClkScale(CLKMAN_CLK_I2CM, cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 180 MXC_CLKMAN->i2c_timer_ctrl = 1;
Anna Bridge 186:707f6e361f3e 181
Anna Bridge 186:707f6e361f3e 182 if ((err = IOMAN_Config(&cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 183 return err;
Anna Bridge 186:707f6e361f3e 184 }
Anna Bridge 186:707f6e361f3e 185
Anna Bridge 186:707f6e361f3e 186 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 187 }
Anna Bridge 186:707f6e361f3e 188
Anna Bridge 186:707f6e361f3e 189 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 190 int SYS_I2CM_Shutdown(mxc_i2cm_regs_t *i2cm)
Anna Bridge 186:707f6e361f3e 191 {
Anna Bridge 186:707f6e361f3e 192 int err;
Anna Bridge 186:707f6e361f3e 193 int idx = MXC_I2CM_GET_IDX(i2cm);
Anna Bridge 186:707f6e361f3e 194 ioman_cfg_t io_cfg;
Anna Bridge 186:707f6e361f3e 195
Anna Bridge 186:707f6e361f3e 196 switch(idx)
Anna Bridge 186:707f6e361f3e 197 {
Anna Bridge 186:707f6e361f3e 198 case 0:
Anna Bridge 186:707f6e361f3e 199 io_cfg = (ioman_cfg_t)IOMAN_I2CM0(0,0);
Anna Bridge 186:707f6e361f3e 200 break;
Anna Bridge 186:707f6e361f3e 201 case 1:
Anna Bridge 186:707f6e361f3e 202 io_cfg = (ioman_cfg_t)IOMAN_I2CM1(0,0);
Anna Bridge 186:707f6e361f3e 203 break;
Anna Bridge 186:707f6e361f3e 204 case 2:
Anna Bridge 186:707f6e361f3e 205 io_cfg = (ioman_cfg_t)IOMAN_I2CM2(0,0);
Anna Bridge 186:707f6e361f3e 206 break;
Anna Bridge 186:707f6e361f3e 207 default:
Anna Bridge 186:707f6e361f3e 208 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 209 }
Anna Bridge 186:707f6e361f3e 210
Anna Bridge 186:707f6e361f3e 211 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 212 return err;
Anna Bridge 186:707f6e361f3e 213 }
Anna Bridge 186:707f6e361f3e 214
Anna Bridge 186:707f6e361f3e 215 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 216 }
Anna Bridge 186:707f6e361f3e 217
Anna Bridge 186:707f6e361f3e 218 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 219 uint32_t SYS_I2CM_GetFreq(mxc_i2cm_regs_t *i2cm)
Anna Bridge 186:707f6e361f3e 220 {
Anna Bridge 186:707f6e361f3e 221 return SYS_GetFreq(CLKMAN_GetClkScale(CLKMAN_CLK_I2CM));
Anna Bridge 186:707f6e361f3e 222 }
Anna Bridge 186:707f6e361f3e 223
Anna Bridge 186:707f6e361f3e 224 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 225 int SYS_I2CS_Init(mxc_i2cs_regs_t *i2cs, const sys_cfg_i2cs_t *cfg)
Anna Bridge 186:707f6e361f3e 226 {
Anna Bridge 186:707f6e361f3e 227 int err;
Anna Bridge 186:707f6e361f3e 228
Anna Bridge 186:707f6e361f3e 229 if(cfg == NULL)
Anna Bridge 186:707f6e361f3e 230 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 231
Anna Bridge 186:707f6e361f3e 232 CLKMAN_SetClkScale(CLKMAN_CLK_I2CS, cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 233 MXC_CLKMAN->i2c_timer_ctrl = 1;
Anna Bridge 186:707f6e361f3e 234
Anna Bridge 186:707f6e361f3e 235 if ((err = IOMAN_Config(&cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 236 return err;
Anna Bridge 186:707f6e361f3e 237 }
Anna Bridge 186:707f6e361f3e 238
Anna Bridge 186:707f6e361f3e 239 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 240 }
Anna Bridge 186:707f6e361f3e 241
Anna Bridge 186:707f6e361f3e 242 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 243 int SYS_I2CS_Shutdown(mxc_i2cs_regs_t *i2cs)
Anna Bridge 186:707f6e361f3e 244 {
Anna Bridge 186:707f6e361f3e 245 int err;
Anna Bridge 186:707f6e361f3e 246 ioman_cfg_t io_cfg = (ioman_cfg_t)IOMAN_I2CS(0, 0);
Anna Bridge 186:707f6e361f3e 247
Anna Bridge 186:707f6e361f3e 248 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 249 return err;
Anna Bridge 186:707f6e361f3e 250 }
Anna Bridge 186:707f6e361f3e 251
Anna Bridge 186:707f6e361f3e 252 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 253 }
Anna Bridge 186:707f6e361f3e 254
Anna Bridge 186:707f6e361f3e 255 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 256 uint32_t SYS_I2CS_GetFreq(mxc_i2cs_regs_t *i2cs)
Anna Bridge 186:707f6e361f3e 257 {
Anna Bridge 186:707f6e361f3e 258 uint32_t freq, clkdiv;
Anna Bridge 186:707f6e361f3e 259
Anna Bridge 186:707f6e361f3e 260 if (CLKMAN_GetClkScale(CLKMAN_CLK_I2CS) == MXC_V_CLKMAN_CLK_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 261 freq = 0;
Anna Bridge 186:707f6e361f3e 262 } else {
Anna Bridge 186:707f6e361f3e 263 clkdiv = 1 << (CLKMAN_GetClkScale(CLKMAN_CLK_I2CS) - 1);
Anna Bridge 186:707f6e361f3e 264 freq = (SystemCoreClock / clkdiv);
Anna Bridge 186:707f6e361f3e 265 }
Anna Bridge 186:707f6e361f3e 266
Anna Bridge 186:707f6e361f3e 267 return freq;
Anna Bridge 186:707f6e361f3e 268 }
Anna Bridge 186:707f6e361f3e 269
Anna Bridge 186:707f6e361f3e 270 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 271 int SYS_SPIM_Init(mxc_spim_regs_t *spim, const spim_cfg_t *spim_cfg, const sys_cfg_spim_t *sys_cfg)
Anna Bridge 186:707f6e361f3e 272 {
Anna Bridge 186:707f6e361f3e 273 int err, idx;
Anna Bridge 186:707f6e361f3e 274 clkman_scale_t clk_scale;
Anna Bridge 186:707f6e361f3e 275 uint32_t max_baud;
Anna Bridge 186:707f6e361f3e 276
Anna Bridge 186:707f6e361f3e 277 if(sys_cfg == NULL)
Anna Bridge 186:707f6e361f3e 278 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 279
Anna Bridge 186:707f6e361f3e 280 idx = MXC_SPIM_GET_IDX(spim);
Anna Bridge 186:707f6e361f3e 281
Anna Bridge 186:707f6e361f3e 282 if (sys_cfg->clk_scale != CLKMAN_SCALE_AUTO) {
Anna Bridge 186:707f6e361f3e 283 if(spim_cfg->baud > ((SystemCoreClock >> (sys_cfg->clk_scale - 1))/2)) {
Anna Bridge 186:707f6e361f3e 284 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 285 }
Anna Bridge 186:707f6e361f3e 286 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIM0 + idx), sys_cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 287 } else {
Anna Bridge 186:707f6e361f3e 288
Anna Bridge 186:707f6e361f3e 289 if(spim_cfg->baud > (SystemCoreClock/2)) {
Anna Bridge 186:707f6e361f3e 290 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 291 }
Anna Bridge 186:707f6e361f3e 292
Anna Bridge 186:707f6e361f3e 293 /* Setup the clock divider for the given baud rate */
Anna Bridge 186:707f6e361f3e 294 clk_scale = CLKMAN_SCALE_DISABLED;
Anna Bridge 186:707f6e361f3e 295 do {
Anna Bridge 186:707f6e361f3e 296 max_baud = ((SystemCoreClock >> clk_scale++) / 2);
Anna Bridge 186:707f6e361f3e 297 } while (spim_cfg->baud < max_baud && clk_scale < CLKMAN_SCALE_AUTO);
Anna Bridge 186:707f6e361f3e 298
Anna Bridge 186:707f6e361f3e 299 if(clk_scale == CLKMAN_SCALE_AUTO) {
Anna Bridge 186:707f6e361f3e 300 clk_scale--;
Anna Bridge 186:707f6e361f3e 301 }
Anna Bridge 186:707f6e361f3e 302
Anna Bridge 186:707f6e361f3e 303 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIM0 + idx), clk_scale);
Anna Bridge 186:707f6e361f3e 304 }
Anna Bridge 186:707f6e361f3e 305
Anna Bridge 186:707f6e361f3e 306 if ((err = IOMAN_Config(&sys_cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 307 return err;
Anna Bridge 186:707f6e361f3e 308 }
Anna Bridge 186:707f6e361f3e 309
Anna Bridge 186:707f6e361f3e 310 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 311 }
Anna Bridge 186:707f6e361f3e 312
Anna Bridge 186:707f6e361f3e 313 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 314 int SYS_SPIM_Shutdown(mxc_spim_regs_t *spim)
Anna Bridge 186:707f6e361f3e 315 {
Anna Bridge 186:707f6e361f3e 316 int err;
Anna Bridge 186:707f6e361f3e 317 int idx = MXC_SPIM_GET_IDX(spim);
Anna Bridge 186:707f6e361f3e 318 ioman_cfg_t io_cfg;
Anna Bridge 186:707f6e361f3e 319
Anna Bridge 186:707f6e361f3e 320 switch(idx)
Anna Bridge 186:707f6e361f3e 321 {
Anna Bridge 186:707f6e361f3e 322 case 0:
Anna Bridge 186:707f6e361f3e 323 io_cfg = (ioman_cfg_t)IOMAN_SPIM0(0, 0, 0, 0, 0, 0, 0, 0);
Anna Bridge 186:707f6e361f3e 324 break;
Anna Bridge 186:707f6e361f3e 325 case 1:
Anna Bridge 186:707f6e361f3e 326 io_cfg = (ioman_cfg_t)IOMAN_SPIM1(0, 0, 0, 0, 0, 0);
Anna Bridge 186:707f6e361f3e 327 break;
Anna Bridge 186:707f6e361f3e 328 case 2:
Anna Bridge 186:707f6e361f3e 329 io_cfg = (ioman_cfg_t)IOMAN_SPIM2(0, 0, 0, 0, 0, 0, 0, 0, 0);
Anna Bridge 186:707f6e361f3e 330 break;
Anna Bridge 186:707f6e361f3e 331 default:
Anna Bridge 186:707f6e361f3e 332 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 333 }
Anna Bridge 186:707f6e361f3e 334
Anna Bridge 186:707f6e361f3e 335 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 336 return err;
Anna Bridge 186:707f6e361f3e 337 }
Anna Bridge 186:707f6e361f3e 338
Anna Bridge 186:707f6e361f3e 339 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 340 }
Anna Bridge 186:707f6e361f3e 341
Anna Bridge 186:707f6e361f3e 342 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 343 uint32_t SYS_SPIM_GetFreq(mxc_spim_regs_t *spim)
Anna Bridge 186:707f6e361f3e 344 {
Anna Bridge 186:707f6e361f3e 345 int idx = MXC_SPIM_GET_IDX(spim);
Anna Bridge 186:707f6e361f3e 346 return SYS_GetFreq(CLKMAN_GetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIM0 + idx)));
Anna Bridge 186:707f6e361f3e 347 }
Anna Bridge 186:707f6e361f3e 348
Anna Bridge 186:707f6e361f3e 349 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 350 int SYS_SPIX_Init(const sys_cfg_spix_t *sys_cfg, uint32_t baud)
Anna Bridge 186:707f6e361f3e 351 {
Anna Bridge 186:707f6e361f3e 352 int err;
Anna Bridge 186:707f6e361f3e 353 clkman_scale_t clk_scale;
Anna Bridge 186:707f6e361f3e 354 uint32_t min_baud;
Anna Bridge 186:707f6e361f3e 355
Anna Bridge 186:707f6e361f3e 356 if (sys_cfg->clk_scale != CLKMAN_SCALE_AUTO) {
Anna Bridge 186:707f6e361f3e 357 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIX), sys_cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 358 } else {
Anna Bridge 186:707f6e361f3e 359 /* Setup the clock divider for the given baud rate */
Anna Bridge 186:707f6e361f3e 360 clk_scale = CLKMAN_SCALE_DISABLED;
Anna Bridge 186:707f6e361f3e 361 do {
Anna Bridge 186:707f6e361f3e 362 min_baud = ((SystemCoreClock >> clk_scale++) / (2 *
Anna Bridge 186:707f6e361f3e 363 (MXC_F_SPIX_MASTER_CFG_SCK_HI_CLK >> MXC_F_SPIX_MASTER_CFG_SCK_HI_CLK_POS)));
Anna Bridge 186:707f6e361f3e 364 } while (baud < min_baud && clk_scale < CLKMAN_SCALE_AUTO);
Anna Bridge 186:707f6e361f3e 365
Anna Bridge 186:707f6e361f3e 366 /* check if baud rate cannot be reached */
Anna Bridge 186:707f6e361f3e 367 if(baud < min_baud)
Anna Bridge 186:707f6e361f3e 368 return E_BAD_STATE;
Anna Bridge 186:707f6e361f3e 369
Anna Bridge 186:707f6e361f3e 370 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIX), clk_scale);
Anna Bridge 186:707f6e361f3e 371 }
Anna Bridge 186:707f6e361f3e 372
Anna Bridge 186:707f6e361f3e 373 if ((err = IOMAN_Config(&sys_cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 374 return err;
Anna Bridge 186:707f6e361f3e 375 }
Anna Bridge 186:707f6e361f3e 376
Anna Bridge 186:707f6e361f3e 377 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 378 }
Anna Bridge 186:707f6e361f3e 379
Anna Bridge 186:707f6e361f3e 380 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 381 int SYS_SPIX_Shutdown()
Anna Bridge 186:707f6e361f3e 382 {
Anna Bridge 186:707f6e361f3e 383 int err;
Anna Bridge 186:707f6e361f3e 384 ioman_cfg_t io_cfg = IOMAN_SPIX(0, 0, 0, 0, 0, 0);
Anna Bridge 186:707f6e361f3e 385
Anna Bridge 186:707f6e361f3e 386 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 387 return err;
Anna Bridge 186:707f6e361f3e 388 }
Anna Bridge 186:707f6e361f3e 389
Anna Bridge 186:707f6e361f3e 390 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 391 }
Anna Bridge 186:707f6e361f3e 392
Anna Bridge 186:707f6e361f3e 393 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 394 uint32_t SYS_SPIX_GetFreq()
Anna Bridge 186:707f6e361f3e 395 {
Anna Bridge 186:707f6e361f3e 396 return SYS_GetFreq(CLKMAN_GetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIX)));
Anna Bridge 186:707f6e361f3e 397 }
Anna Bridge 186:707f6e361f3e 398
Anna Bridge 186:707f6e361f3e 399 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 400 int SYS_SPIS_Init(const sys_cfg_spis_t *sys_cfg)
Anna Bridge 186:707f6e361f3e 401 {
Anna Bridge 186:707f6e361f3e 402 int err;
Anna Bridge 186:707f6e361f3e 403
Anna Bridge 186:707f6e361f3e 404 if (sys_cfg->clk_scale != CLKMAN_SCALE_AUTO) {
Anna Bridge 186:707f6e361f3e 405 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIS), sys_cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 406 } else {
Anna Bridge 186:707f6e361f3e 407 CLKMAN_SetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIS), CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 408 }
Anna Bridge 186:707f6e361f3e 409
Anna Bridge 186:707f6e361f3e 410 if ((err = IOMAN_Config(&sys_cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 411 return err;
Anna Bridge 186:707f6e361f3e 412 }
Anna Bridge 186:707f6e361f3e 413
Anna Bridge 186:707f6e361f3e 414 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 415 }
Anna Bridge 186:707f6e361f3e 416
Anna Bridge 186:707f6e361f3e 417 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 418 int SYS_SPIS_Shutdown()
Anna Bridge 186:707f6e361f3e 419 {
Anna Bridge 186:707f6e361f3e 420 int err;
Anna Bridge 186:707f6e361f3e 421 ioman_cfg_t io_cfg = IOMAN_SPIS(0, 0, 0);
Anna Bridge 186:707f6e361f3e 422
Anna Bridge 186:707f6e361f3e 423 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 424 return err;
Anna Bridge 186:707f6e361f3e 425 }
Anna Bridge 186:707f6e361f3e 426
Anna Bridge 186:707f6e361f3e 427 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 428 }
Anna Bridge 186:707f6e361f3e 429
Anna Bridge 186:707f6e361f3e 430 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 431 uint32_t SYS_SPIS_GetFreq()
Anna Bridge 186:707f6e361f3e 432 {
Anna Bridge 186:707f6e361f3e 433 return SYS_GetFreq(CLKMAN_GetClkScale((clkman_clk_t)(CLKMAN_CLK_SPIS)));
Anna Bridge 186:707f6e361f3e 434 }
Anna Bridge 186:707f6e361f3e 435
Anna Bridge 186:707f6e361f3e 436 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 437 int SYS_OWM_Init(mxc_owm_regs_t *owm, const sys_cfg_owm_t *sys_cfg)
Anna Bridge 186:707f6e361f3e 438 {
Anna Bridge 186:707f6e361f3e 439 int err;
Anna Bridge 186:707f6e361f3e 440
Anna Bridge 186:707f6e361f3e 441 if(sys_cfg == NULL)
Anna Bridge 186:707f6e361f3e 442 return E_NULL_PTR;
Anna Bridge 186:707f6e361f3e 443
Anna Bridge 186:707f6e361f3e 444 if (sys_cfg->clk_scale != CLKMAN_SCALE_AUTO)
Anna Bridge 186:707f6e361f3e 445 {
Anna Bridge 186:707f6e361f3e 446 CLKMAN_SetClkScale(CLKMAN_CLK_OWM, sys_cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 447 }
Anna Bridge 186:707f6e361f3e 448 else
Anna Bridge 186:707f6e361f3e 449 {
Anna Bridge 186:707f6e361f3e 450 CLKMAN_SetClkScale(CLKMAN_CLK_OWM, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 451 }
Anna Bridge 186:707f6e361f3e 452
Anna Bridge 186:707f6e361f3e 453 if ((err = IOMAN_Config(&sys_cfg->io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 454 return err;
Anna Bridge 186:707f6e361f3e 455 }
Anna Bridge 186:707f6e361f3e 456
Anna Bridge 186:707f6e361f3e 457 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 458 }
Anna Bridge 186:707f6e361f3e 459
Anna Bridge 186:707f6e361f3e 460 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 461 int SYS_OWM_Shutdown(mxc_owm_regs_t *owm)
Anna Bridge 186:707f6e361f3e 462 {
Anna Bridge 186:707f6e361f3e 463 int err;
Anna Bridge 186:707f6e361f3e 464
Anna Bridge 186:707f6e361f3e 465 ioman_cfg_t io_cfg = IOMAN_OWM(0, 0);
Anna Bridge 186:707f6e361f3e 466
Anna Bridge 186:707f6e361f3e 467 if ((err = IOMAN_Config(&io_cfg)) != E_NO_ERROR) {
Anna Bridge 186:707f6e361f3e 468 return err;
Anna Bridge 186:707f6e361f3e 469 }
Anna Bridge 186:707f6e361f3e 470
Anna Bridge 186:707f6e361f3e 471 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 472 }
Anna Bridge 186:707f6e361f3e 473
Anna Bridge 186:707f6e361f3e 474 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 475 uint32_t SYS_OWM_GetFreq(mxc_owm_regs_t *owm)
Anna Bridge 186:707f6e361f3e 476 {
Anna Bridge 186:707f6e361f3e 477 return SYS_GetFreq(CLKMAN_GetClkScale(CLKMAN_CLK_OWM));
Anna Bridge 186:707f6e361f3e 478 }
Anna Bridge 186:707f6e361f3e 479
Anna Bridge 186:707f6e361f3e 480 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 481 uint32_t SYS_TMR_GetFreq(mxc_tmr_regs_t *tmr)
Anna Bridge 186:707f6e361f3e 482 {
Anna Bridge 186:707f6e361f3e 483 return SystemCoreClock;
Anna Bridge 186:707f6e361f3e 484 }
Anna Bridge 186:707f6e361f3e 485
Anna Bridge 186:707f6e361f3e 486 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 487 int SYS_TMR_Init(mxc_tmr_regs_t *tmr, const sys_cfg_tmr_t *cfg)
Anna Bridge 186:707f6e361f3e 488 {
Anna Bridge 186:707f6e361f3e 489 int pin, gpio_index, tmr_index;
Anna Bridge 186:707f6e361f3e 490
Anna Bridge 186:707f6e361f3e 491 if (cfg != NULL)
Anna Bridge 186:707f6e361f3e 492 {
Anna Bridge 186:707f6e361f3e 493 /* Make sure the given GPIO mapps to the given TMR */
Anna Bridge 186:707f6e361f3e 494 for (pin = 0; pin < MXC_GPIO_MAX_PINS_PER_PORT; pin++)
Anna Bridge 186:707f6e361f3e 495 {
Anna Bridge 186:707f6e361f3e 496 if(cfg->mask & (1 << pin))
Anna Bridge 186:707f6e361f3e 497 {
Anna Bridge 186:707f6e361f3e 498 gpio_index = (MXC_GPIO_MAX_PINS_PER_PORT * cfg->port) + pin;
Anna Bridge 186:707f6e361f3e 499 tmr_index = gpio_index % MXC_CFG_TMR_INSTANCES;
Anna Bridge 186:707f6e361f3e 500
Anna Bridge 186:707f6e361f3e 501 if(tmr_index == MXC_TMR_GET_IDX(tmr))
Anna Bridge 186:707f6e361f3e 502 return GPIO_Config(cfg);
Anna Bridge 186:707f6e361f3e 503 else
Anna Bridge 186:707f6e361f3e 504 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 505 }
Anna Bridge 186:707f6e361f3e 506 }
Anna Bridge 186:707f6e361f3e 507
Anna Bridge 186:707f6e361f3e 508 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 509
Anna Bridge 186:707f6e361f3e 510 } else {
Anna Bridge 186:707f6e361f3e 511 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 512 }
Anna Bridge 186:707f6e361f3e 513 }
Anna Bridge 186:707f6e361f3e 514
Anna Bridge 186:707f6e361f3e 515 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 516 uint32_t SYS_SysTick_GetFreq(void)
Anna Bridge 186:707f6e361f3e 517 {
Anna Bridge 186:707f6e361f3e 518 /* Determine is using internal (SystemCoreClock) or external (32768) clock */
Anna Bridge 186:707f6e361f3e 519 if ( (SysTick->CTRL & SysTick_CTRL_CLKSOURCE_Msk) || !(SysTick->CTRL & SysTick_CTRL_ENABLE_Msk)) {
Anna Bridge 186:707f6e361f3e 520 return SystemCoreClock;
Anna Bridge 186:707f6e361f3e 521 } else {
Anna Bridge 186:707f6e361f3e 522 return SYS_RTC_CLK;
Anna Bridge 186:707f6e361f3e 523 }
Anna Bridge 186:707f6e361f3e 524 }
Anna Bridge 186:707f6e361f3e 525
Anna Bridge 186:707f6e361f3e 526 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 527 uint32_t SYS_PT_GetFreq(void)
Anna Bridge 186:707f6e361f3e 528 {
Anna Bridge 186:707f6e361f3e 529 return SYS_GetFreq(CLKMAN_GetClkScale(CLKMAN_CLK_PT));
Anna Bridge 186:707f6e361f3e 530 }
Anna Bridge 186:707f6e361f3e 531
Anna Bridge 186:707f6e361f3e 532 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 533 void SYS_PT_Init(sys_pt_clk_scale clk_scale)
Anna Bridge 186:707f6e361f3e 534 {
Anna Bridge 186:707f6e361f3e 535 /* setup clock divider for pulse train clock */
Anna Bridge 186:707f6e361f3e 536 CLKMAN_SetClkScale(CLKMAN_CLK_PT, clk_scale);
Anna Bridge 186:707f6e361f3e 537 }
Anna Bridge 186:707f6e361f3e 538
Anna Bridge 186:707f6e361f3e 539 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 540 int SYS_PT_Config(mxc_pt_regs_t *pt, const sys_cfg_pt_t *cfg)
Anna Bridge 186:707f6e361f3e 541 {
Anna Bridge 186:707f6e361f3e 542 int pt_index;
Anna Bridge 186:707f6e361f3e 543
Anna Bridge 186:707f6e361f3e 544 /* Make sure the given GPIO mapps to the given PT */
Anna Bridge 186:707f6e361f3e 545 pt_index = MXC_PT_GET_IDX(pt);
Anna Bridge 186:707f6e361f3e 546 if(pt_index < 0) {
Anna Bridge 186:707f6e361f3e 547 return E_NOT_SUPPORTED;
Anna Bridge 186:707f6e361f3e 548 }
Anna Bridge 186:707f6e361f3e 549
Anna Bridge 186:707f6e361f3e 550 /* Even number port */
Anna Bridge 186:707f6e361f3e 551 if(cfg->port%2 == 0) {
Anna Bridge 186:707f6e361f3e 552 /* Pin number should match PT number */
Anna Bridge 186:707f6e361f3e 553 if(!(cfg->mask & (0x1 << pt_index))) {
Anna Bridge 186:707f6e361f3e 554 return E_NOT_SUPPORTED;
Anna Bridge 186:707f6e361f3e 555 }
Anna Bridge 186:707f6e361f3e 556 } else {
Anna Bridge 186:707f6e361f3e 557 /* Pin number+8 should match PT */
Anna Bridge 186:707f6e361f3e 558 if(!((cfg->mask << 8) & (0x1 << pt_index))) {
Anna Bridge 186:707f6e361f3e 559 return E_NOT_SUPPORTED;
Anna Bridge 186:707f6e361f3e 560 }
Anna Bridge 186:707f6e361f3e 561 }
Anna Bridge 186:707f6e361f3e 562
Anna Bridge 186:707f6e361f3e 563 return GPIO_Config(cfg);
Anna Bridge 186:707f6e361f3e 564 }
Anna Bridge 186:707f6e361f3e 565
Anna Bridge 186:707f6e361f3e 566 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 567 void SYS_USB_Enable(uint8_t enable)
Anna Bridge 186:707f6e361f3e 568 {
Anna Bridge 186:707f6e361f3e 569 /* Enable USB clock */
Anna Bridge 186:707f6e361f3e 570 CLKMAN_ClockGate(CLKMAN_USB_CLOCK, enable);
Anna Bridge 186:707f6e361f3e 571
Anna Bridge 186:707f6e361f3e 572 if(enable) {
Anna Bridge 186:707f6e361f3e 573 /* Enable USB Power */
Anna Bridge 186:707f6e361f3e 574 MXC_PWRMAN->pwr_rst_ctrl |= MXC_F_PWRMAN_PWR_RST_CTRL_USB_POWERED;
Anna Bridge 186:707f6e361f3e 575 } else {
Anna Bridge 186:707f6e361f3e 576 /* Disable USB Power */
Anna Bridge 186:707f6e361f3e 577 MXC_PWRMAN->pwr_rst_ctrl &= ~MXC_F_PWRMAN_PWR_RST_CTRL_USB_POWERED;
Anna Bridge 186:707f6e361f3e 578 }
Anna Bridge 186:707f6e361f3e 579 }
Anna Bridge 186:707f6e361f3e 580
Anna Bridge 186:707f6e361f3e 581 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 582 int SYS_SysTick_Config(uint32_t ticks, int clk_src)
Anna Bridge 186:707f6e361f3e 583 {
Anna Bridge 186:707f6e361f3e 584
Anna Bridge 186:707f6e361f3e 585 if(ticks == 0)
Anna Bridge 186:707f6e361f3e 586 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 587
Anna Bridge 186:707f6e361f3e 588 /* If SystemClock, call default CMSIS config and return */
Anna Bridge 186:707f6e361f3e 589 if (clk_src) {
Anna Bridge 186:707f6e361f3e 590 return SysTick_Config(ticks);
Anna Bridge 186:707f6e361f3e 591 } else { /* External clock source requested
Anna Bridge 186:707f6e361f3e 592 enable RTC clock in run mode*/
Anna Bridge 186:707f6e361f3e 593 MXC_PWRSEQ->reg0 |= (MXC_F_PWRSEQ_REG0_PWR_RTCEN_RUN);
Anna Bridge 186:707f6e361f3e 594
Anna Bridge 186:707f6e361f3e 595 /* Disable SysTick Timer */
Anna Bridge 186:707f6e361f3e 596 SysTick->CTRL = 0;
Anna Bridge 186:707f6e361f3e 597 /* Check reload value for valid */
Anna Bridge 186:707f6e361f3e 598 if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk) {
Anna Bridge 186:707f6e361f3e 599 /* Reload value impossible */
Anna Bridge 186:707f6e361f3e 600 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 601 }
Anna Bridge 186:707f6e361f3e 602 /* set reload register */
Anna Bridge 186:707f6e361f3e 603 SysTick->LOAD = ticks - 1;
Anna Bridge 186:707f6e361f3e 604
Anna Bridge 186:707f6e361f3e 605 /* set Priority for Systick Interrupt */
Anna Bridge 186:707f6e361f3e 606 NVIC_SetPriority(SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1);
Anna Bridge 186:707f6e361f3e 607
Anna Bridge 186:707f6e361f3e 608 /* Load the SysTick Counter Value */
Anna Bridge 186:707f6e361f3e 609 SysTick->VAL = 0;
Anna Bridge 186:707f6e361f3e 610
Anna Bridge 186:707f6e361f3e 611 /* Enable SysTick IRQ and SysTick Timer leaving clock source as external */
Anna Bridge 186:707f6e361f3e 612 SysTick->CTRL = SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk;
Anna Bridge 186:707f6e361f3e 613
Anna Bridge 186:707f6e361f3e 614 /* Function successful */
Anna Bridge 186:707f6e361f3e 615 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 616 }
Anna Bridge 186:707f6e361f3e 617 }
Anna Bridge 186:707f6e361f3e 618
Anna Bridge 186:707f6e361f3e 619 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 620 int SYS_SysTick_Delay(uint32_t ticks)
Anna Bridge 186:707f6e361f3e 621 {
Anna Bridge 186:707f6e361f3e 622 uint32_t cur_ticks, num_full, num_remain, previous_ticks, num_subtract, i;
Anna Bridge 186:707f6e361f3e 623 uint32_t reload, value, ctrl; /* save/restore variables */
Anna Bridge 186:707f6e361f3e 624
Anna Bridge 186:707f6e361f3e 625 if(ticks == 0)
Anna Bridge 186:707f6e361f3e 626 return E_BAD_PARAM;
Anna Bridge 186:707f6e361f3e 627
Anna Bridge 186:707f6e361f3e 628 /* If SysTick is not enabled we can take it for our delay */
Anna Bridge 186:707f6e361f3e 629 if (!(SysTick->CTRL & SysTick_CTRL_ENABLE_Msk)) {
Anna Bridge 186:707f6e361f3e 630
Anna Bridge 186:707f6e361f3e 631 /* Save current state in case it's disabled but already configured, restore at return.*/
Anna Bridge 186:707f6e361f3e 632 reload = SysTick->LOAD;
Anna Bridge 186:707f6e361f3e 633 value = SysTick->VAL;
Anna Bridge 186:707f6e361f3e 634 ctrl = SysTick->CTRL;
Anna Bridge 186:707f6e361f3e 635
Anna Bridge 186:707f6e361f3e 636 /* get the number of ticks less than max RELOAD. */
Anna Bridge 186:707f6e361f3e 637 num_remain = ticks % SysTick_LOAD_RELOAD_Msk;
Anna Bridge 186:707f6e361f3e 638
Anna Bridge 186:707f6e361f3e 639 /* if ticks is < Max SysTick Reload num_full will be 0, otherwise it will
Anna Bridge 186:707f6e361f3e 640 give us the number of max SysTicks cycles required */
Anna Bridge 186:707f6e361f3e 641 num_full = (ticks - 1) / SysTick_LOAD_RELOAD_Msk;
Anna Bridge 186:707f6e361f3e 642
Anna Bridge 186:707f6e361f3e 643 /* Do the required full systick countdowns */
Anna Bridge 186:707f6e361f3e 644 if (num_full) {
Anna Bridge 186:707f6e361f3e 645 /* load the max count value into systick */
Anna Bridge 186:707f6e361f3e 646 SysTick->LOAD = SysTick_LOAD_RELOAD_Msk;
Anna Bridge 186:707f6e361f3e 647 /* load the starting value */
Anna Bridge 186:707f6e361f3e 648 SysTick->VAL = 0;
Anna Bridge 186:707f6e361f3e 649 /*enable SysTick counter with SystemClock source internal, immediately forces LOAD register into VAL register */
Anna Bridge 186:707f6e361f3e 650 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
Anna Bridge 186:707f6e361f3e 651 /* CountFlag will get set when VAL reaches zero */
Anna Bridge 186:707f6e361f3e 652 for (i = num_full; i > 0; i--) {
Anna Bridge 186:707f6e361f3e 653 do {
Anna Bridge 186:707f6e361f3e 654 cur_ticks = SysTick->CTRL;
Anna Bridge 186:707f6e361f3e 655 } while (!(cur_ticks & SysTick_CTRL_COUNTFLAG_Msk));
Anna Bridge 186:707f6e361f3e 656 }
Anna Bridge 186:707f6e361f3e 657 /* Disable systick */
Anna Bridge 186:707f6e361f3e 658 SysTick->CTRL = 0;
Anna Bridge 186:707f6e361f3e 659 }
Anna Bridge 186:707f6e361f3e 660 /* Now handle the remainder of ticks */
Anna Bridge 186:707f6e361f3e 661 if (num_remain) {
Anna Bridge 186:707f6e361f3e 662 SysTick->LOAD = num_remain;
Anna Bridge 186:707f6e361f3e 663 SysTick->VAL = 0;
Anna Bridge 186:707f6e361f3e 664 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
Anna Bridge 186:707f6e361f3e 665 /* wait for countflag to get set */
Anna Bridge 186:707f6e361f3e 666 do {
Anna Bridge 186:707f6e361f3e 667 cur_ticks = SysTick->CTRL;
Anna Bridge 186:707f6e361f3e 668 } while (!(cur_ticks & SysTick_CTRL_COUNTFLAG_Msk));
Anna Bridge 186:707f6e361f3e 669 /* Disable systick */
Anna Bridge 186:707f6e361f3e 670 SysTick->CTRL = 0;
Anna Bridge 186:707f6e361f3e 671 }
Anna Bridge 186:707f6e361f3e 672
Anna Bridge 186:707f6e361f3e 673 /* restore original state of SysTick and return */
Anna Bridge 186:707f6e361f3e 674 SysTick->LOAD = reload;
Anna Bridge 186:707f6e361f3e 675 SysTick->VAL = value;
Anna Bridge 186:707f6e361f3e 676 SysTick->CTRL = ctrl;
Anna Bridge 186:707f6e361f3e 677
Anna Bridge 186:707f6e361f3e 678 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 679
Anna Bridge 186:707f6e361f3e 680 } else { /* SysTick is enabled
Anna Bridge 186:707f6e361f3e 681 When SysTick is enabled count flag can not be used
Anna Bridge 186:707f6e361f3e 682 and the reload can not be changed.
Anna Bridge 186:707f6e361f3e 683 Do not read the CTRL register -> clears count flag */
Anna Bridge 186:707f6e361f3e 684
Anna Bridge 186:707f6e361f3e 685 /* Get the reload value for wrap/reload case */
Anna Bridge 186:707f6e361f3e 686 reload = SysTick->LOAD;
Anna Bridge 186:707f6e361f3e 687
Anna Bridge 186:707f6e361f3e 688 /* Read the starting systick value */
Anna Bridge 186:707f6e361f3e 689 previous_ticks = SysTick->VAL;
Anna Bridge 186:707f6e361f3e 690
Anna Bridge 186:707f6e361f3e 691 do {
Anna Bridge 186:707f6e361f3e 692 /* get current SysTick value */
Anna Bridge 186:707f6e361f3e 693 cur_ticks = SysTick->VAL;
Anna Bridge 186:707f6e361f3e 694 /* Check for wrap/reload of timer countval */
Anna Bridge 186:707f6e361f3e 695 if (cur_ticks > previous_ticks) {
Anna Bridge 186:707f6e361f3e 696 /* subtract count to 0 (previous_ticks) and wrap (reload value - cur_ticks) */
Anna Bridge 186:707f6e361f3e 697 num_subtract = (previous_ticks + (reload - cur_ticks));
Anna Bridge 186:707f6e361f3e 698 } else { /* standard case (no wrap)
Anna Bridge 186:707f6e361f3e 699 subtract off the number of ticks since last pass */
Anna Bridge 186:707f6e361f3e 700 num_subtract = (previous_ticks - cur_ticks);
Anna Bridge 186:707f6e361f3e 701 }
Anna Bridge 186:707f6e361f3e 702 /* check to see if we are done. */
Anna Bridge 186:707f6e361f3e 703 if (num_subtract >= ticks)
Anna Bridge 186:707f6e361f3e 704 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 705 else
Anna Bridge 186:707f6e361f3e 706 ticks -= num_subtract;
Anna Bridge 186:707f6e361f3e 707 /* cur_ticks becomes previous_ticks for next timer read. */
Anna Bridge 186:707f6e361f3e 708 previous_ticks = cur_ticks;
Anna Bridge 186:707f6e361f3e 709 } while (ticks > 0);
Anna Bridge 186:707f6e361f3e 710 /* Should not ever be reached */
Anna Bridge 186:707f6e361f3e 711 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 712 }
Anna Bridge 186:707f6e361f3e 713 }
Anna Bridge 186:707f6e361f3e 714
Anna Bridge 186:707f6e361f3e 715 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 716 int SYS_RTC_Init(void)
Anna Bridge 186:707f6e361f3e 717 {
Anna Bridge 186:707f6e361f3e 718 /* Enable power for RTC for all LPx states */
Anna Bridge 186:707f6e361f3e 719 MXC_PWRSEQ->reg0 |= (MXC_F_PWRSEQ_REG0_PWR_RTCEN_RUN |
Anna Bridge 186:707f6e361f3e 720 MXC_F_PWRSEQ_REG0_PWR_RTCEN_SLP);
Anna Bridge 186:707f6e361f3e 721
Anna Bridge 186:707f6e361f3e 722 /* Enable clock to synchronizers */
Anna Bridge 186:707f6e361f3e 723 CLKMAN_SetClkScale(CLKMAN_CLK_SYNC, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 724
Anna Bridge 186:707f6e361f3e 725 return E_NO_ERROR;
Anna Bridge 186:707f6e361f3e 726 }
Anna Bridge 186:707f6e361f3e 727
Anna Bridge 186:707f6e361f3e 728 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 729 void SYS_IOMAN_UseVDDIO(const gpio_cfg_t *cfg)
Anna Bridge 186:707f6e361f3e 730 {
Anna Bridge 186:707f6e361f3e 731 unsigned int startbit = (cfg->port * 8);
Anna Bridge 186:707f6e361f3e 732 volatile uint32_t *use_vddioh_reg = &MXC_IOMAN->use_vddioh_0 + (startbit / 32);
Anna Bridge 186:707f6e361f3e 733 *use_vddioh_reg &= ~cfg->mask << (startbit % 32);
Anna Bridge 186:707f6e361f3e 734 }
Anna Bridge 186:707f6e361f3e 735
Anna Bridge 186:707f6e361f3e 736 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 737 void SYS_IOMAN_UseVDDIOH(const gpio_cfg_t *cfg)
Anna Bridge 186:707f6e361f3e 738 {
Anna Bridge 186:707f6e361f3e 739 unsigned int startbit = (cfg->port * 8);
Anna Bridge 186:707f6e361f3e 740 volatile uint32_t *use_vddioh_reg = &MXC_IOMAN->use_vddioh_0 + (startbit / 32);
Anna Bridge 186:707f6e361f3e 741 *use_vddioh_reg |= cfg->mask << (startbit % 32);
Anna Bridge 186:707f6e361f3e 742 }
Anna Bridge 186:707f6e361f3e 743
Anna Bridge 186:707f6e361f3e 744 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 745 void SYS_WDT_Init(mxc_wdt_regs_t *wdt, const sys_cfg_wdt_t *cfg)
Anna Bridge 186:707f6e361f3e 746 {
Anna Bridge 186:707f6e361f3e 747
Anna Bridge 186:707f6e361f3e 748 if(cfg->clk == CLKMAN_WDT_SELECT_NANO_RING_OSCILLATOR)
Anna Bridge 186:707f6e361f3e 749 {
Anna Bridge 186:707f6e361f3e 750 /*enable nanoring in run mode */
Anna Bridge 186:707f6e361f3e 751 MXC_PWRSEQ->reg0 |= (MXC_F_PWRSEQ_REG0_PWR_NREN_RUN);
Anna Bridge 186:707f6e361f3e 752 }
Anna Bridge 186:707f6e361f3e 753 else if(cfg->clk == CLKMAN_WDT_SELECT_32KHZ_RTC_OSCILLATOR)
Anna Bridge 186:707f6e361f3e 754 {
Anna Bridge 186:707f6e361f3e 755 /*enabled RTC in run mode */
Anna Bridge 186:707f6e361f3e 756 MXC_PWRSEQ->reg0 |= (MXC_F_PWRSEQ_REG0_PWR_RTCEN_RUN);
Anna Bridge 186:707f6e361f3e 757 }
Anna Bridge 186:707f6e361f3e 758
Anna Bridge 186:707f6e361f3e 759 if(wdt == MXC_WDT0) {
Anna Bridge 186:707f6e361f3e 760 /*select clock source */
Anna Bridge 186:707f6e361f3e 761 CLKMAN_WdtClkSelect(0, cfg->clk);
Anna Bridge 186:707f6e361f3e 762
Anna Bridge 186:707f6e361f3e 763 /*Set scale of clock (only used for system clock as source) */
Anna Bridge 186:707f6e361f3e 764 CLKMAN_SetClkScale(CLKMAN_CLK_WDT0, cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 765
Anna Bridge 186:707f6e361f3e 766 /*Enable clock */
Anna Bridge 186:707f6e361f3e 767 CLKMAN_ClockGate(CLKMAN_WDT0_CLOCK, 1);
Anna Bridge 186:707f6e361f3e 768 } else if (wdt == MXC_WDT1) {
Anna Bridge 186:707f6e361f3e 769 /*select clock source */
Anna Bridge 186:707f6e361f3e 770 CLKMAN_WdtClkSelect(1, cfg->clk);
Anna Bridge 186:707f6e361f3e 771
Anna Bridge 186:707f6e361f3e 772 /*Set scale of clock (only used for system clock as source) */
Anna Bridge 186:707f6e361f3e 773 CLKMAN_SetClkScale(CLKMAN_CLK_WDT1, cfg->clk_scale);
Anna Bridge 186:707f6e361f3e 774
Anna Bridge 186:707f6e361f3e 775 /*Enable clock */
Anna Bridge 186:707f6e361f3e 776 CLKMAN_ClockGate(CLKMAN_WDT1_CLOCK, 1);
Anna Bridge 186:707f6e361f3e 777 }
Anna Bridge 186:707f6e361f3e 778 }
Anna Bridge 186:707f6e361f3e 779
Anna Bridge 186:707f6e361f3e 780 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 781 void SYS_PRNG_Init(void)
Anna Bridge 186:707f6e361f3e 782 {
Anna Bridge 186:707f6e361f3e 783 /* Start crypto ring, unconditionally */
Anna Bridge 186:707f6e361f3e 784 CLKMAN_CryptoClockEnable(1);
Anna Bridge 186:707f6e361f3e 785
Anna Bridge 186:707f6e361f3e 786 /* If we find the dividers in anything other than off, don't touch them */
Anna Bridge 186:707f6e361f3e 787 if (CLKMAN_GetClkScale(CLKMAN_CRYPTO_CLK_PRNG) == CLKMAN_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 788 /* Div 1 mode */
Anna Bridge 186:707f6e361f3e 789 CLKMAN_SetClkScale(CLKMAN_CRYPTO_CLK_PRNG, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 790 }
Anna Bridge 186:707f6e361f3e 791
Anna Bridge 186:707f6e361f3e 792 if (CLKMAN_GetClkScale(CLKMAN_CLK_PRNG) == CLKMAN_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 793 /* Div 1 mode */
Anna Bridge 186:707f6e361f3e 794 CLKMAN_SetClkScale(CLKMAN_CLK_PRNG, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 795 }
Anna Bridge 186:707f6e361f3e 796 }
Anna Bridge 186:707f6e361f3e 797
Anna Bridge 186:707f6e361f3e 798 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 799 void SYS_MAA_Init(void)
Anna Bridge 186:707f6e361f3e 800 {
Anna Bridge 186:707f6e361f3e 801 /* Start crypto ring, unconditionally */
Anna Bridge 186:707f6e361f3e 802 CLKMAN_CryptoClockEnable(1);
Anna Bridge 186:707f6e361f3e 803
Anna Bridge 186:707f6e361f3e 804 /* If we find the dividers in anything other than off, don't touch them */
Anna Bridge 186:707f6e361f3e 805 if (CLKMAN_GetClkScale(CLKMAN_CRYPTO_CLK_MAA) == CLKMAN_SCALE_DISABLED) {
Anna Bridge 186:707f6e361f3e 806 /* Div 1 mode */
Anna Bridge 186:707f6e361f3e 807 CLKMAN_SetClkScale(CLKMAN_CRYPTO_CLK_MAA, CLKMAN_SCALE_DIV_1);
Anna Bridge 186:707f6e361f3e 808 }
Anna Bridge 186:707f6e361f3e 809 }
Anna Bridge 186:707f6e361f3e 810
Anna Bridge 186:707f6e361f3e 811 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 812 uint32_t SYS_SRAM_GetSize(void)
Anna Bridge 186:707f6e361f3e 813 {
Anna Bridge 186:707f6e361f3e 814 uint32_t memSize;
Anna Bridge 186:707f6e361f3e 815
Anna Bridge 186:707f6e361f3e 816 /* Read TRIM value*/
Anna Bridge 186:707f6e361f3e 817 int SRAMtrim = (MXC_TRIM->reg10_mem_size & MXC_F_TRIM_REG10_MEM_SIZE_SRAM) >> MXC_F_TRIM_REG10_MEM_SIZE_SRAM_POS;
Anna Bridge 186:707f6e361f3e 818
Anna Bridge 186:707f6e361f3e 819 /* Decode trim value into memory size in bytes */
Anna Bridge 186:707f6e361f3e 820 switch(SRAMtrim)
Anna Bridge 186:707f6e361f3e 821 {
Anna Bridge 186:707f6e361f3e 822 case MXC_V_TRIM_REG10_MEM_SRAM_THREE_FOURTHS_SIZE:
Anna Bridge 186:707f6e361f3e 823 memSize = (MXC_SRAM_FULL_MEM_SIZE >> 2) * 3;
Anna Bridge 186:707f6e361f3e 824 break;
Anna Bridge 186:707f6e361f3e 825
Anna Bridge 186:707f6e361f3e 826 case MXC_V_TRIM_REG10_MEM_SRAM_HALF_SIZE:
Anna Bridge 186:707f6e361f3e 827 memSize = MXC_SRAM_FULL_MEM_SIZE >> 1;
Anna Bridge 186:707f6e361f3e 828 break;
Anna Bridge 186:707f6e361f3e 829
Anna Bridge 186:707f6e361f3e 830 default: /* other values are FULL size */
Anna Bridge 186:707f6e361f3e 831 memSize = MXC_SRAM_FULL_MEM_SIZE;
Anna Bridge 186:707f6e361f3e 832 break;
Anna Bridge 186:707f6e361f3e 833 }
Anna Bridge 186:707f6e361f3e 834
Anna Bridge 186:707f6e361f3e 835 /* Returns size in bytes */
Anna Bridge 186:707f6e361f3e 836 return memSize;
Anna Bridge 186:707f6e361f3e 837 }
Anna Bridge 186:707f6e361f3e 838
Anna Bridge 186:707f6e361f3e 839 /******************************************************************************/
Anna Bridge 186:707f6e361f3e 840 uint32_t SYS_FLASH_GetSize(void)
Anna Bridge 186:707f6e361f3e 841 {
Anna Bridge 186:707f6e361f3e 842 uint32_t memSize;
Anna Bridge 186:707f6e361f3e 843
Anna Bridge 186:707f6e361f3e 844 /* Read TRIM value */
Anna Bridge 186:707f6e361f3e 845 int FLASHtrim = (MXC_TRIM->reg10_mem_size & MXC_F_TRIM_REG10_MEM_SIZE_FLASH) >> MXC_F_TRIM_REG10_MEM_SIZE_FLASH_POS;
Anna Bridge 186:707f6e361f3e 846
Anna Bridge 186:707f6e361f3e 847 /* Decode trim value into memory size in bytes*/
Anna Bridge 186:707f6e361f3e 848 switch(FLASHtrim)
Anna Bridge 186:707f6e361f3e 849 {
Anna Bridge 186:707f6e361f3e 850 case MXC_V_TRIM_REG10_MEM_FLASH_THREE_FOURTHS_SIZE:
Anna Bridge 186:707f6e361f3e 851 memSize = (MXC_FLASH_FULL_MEM_SIZE >> 2) * 3;
Anna Bridge 186:707f6e361f3e 852 break;
Anna Bridge 186:707f6e361f3e 853 case MXC_V_TRIM_REG10_MEM_FLASH_HALF_SIZE:
Anna Bridge 186:707f6e361f3e 854 memSize = (MXC_FLASH_FULL_MEM_SIZE >> 1);
Anna Bridge 186:707f6e361f3e 855 break;
Anna Bridge 186:707f6e361f3e 856 case MXC_V_TRIM_REG10_MEM_FLASH_THREE_EIGHTHS_SIZE:
Anna Bridge 186:707f6e361f3e 857 memSize = (MXC_FLASH_FULL_MEM_SIZE >> 3) * 3;
Anna Bridge 186:707f6e361f3e 858 break;
Anna Bridge 186:707f6e361f3e 859 case MXC_V_TRIM_REG10_MEM_FLASH_FOURTH_SIZE:
Anna Bridge 186:707f6e361f3e 860 memSize = (MXC_FLASH_FULL_MEM_SIZE >> 2);
Anna Bridge 186:707f6e361f3e 861 break;
Anna Bridge 186:707f6e361f3e 862 default: /* other values are FULL size */
Anna Bridge 186:707f6e361f3e 863 memSize = MXC_FLASH_FULL_MEM_SIZE;
Anna Bridge 186:707f6e361f3e 864 break;
Anna Bridge 186:707f6e361f3e 865 }
Anna Bridge 186:707f6e361f3e 866
Anna Bridge 186:707f6e361f3e 867 /* Returns size in bytes */
Anna Bridge 186:707f6e361f3e 868 return memSize;
Anna Bridge 186:707f6e361f3e 869 }